Inactive-Withdrawn Standard

IEEE 152-1953

IEEE Recommended Practice for Volume Measurements of Electric Speech and Program Waves

These standards apply to the methods of and a device for measuring the dynamic magnitude of complex audio-frequency electrical waves such as occur in speech and music. The measurement of the complex and non-periodic waves encountered in electrical communication cannot be expressed in simple fashion in the ordinary electrical terms of current, voltage, and power. The concept of "volume" furnishes a practical method of great utility to the communications engineer for assigning a numerical value to the magnitude of electrical speech and program waves. Volumes are read by noting the more extreme meter deflections of a device known as a volume indicator. Since the response of the meter of such an instrument to the rapidly varying waves is greatly dependent upon its dynamic characteristics, a standard for volume measurements must, therefore, include a specification of these characteristics. This standard uses the term "vu" to express volume in terms of vu above or below a specified reference level, defined herein.

Standard Committee
BTS -
Status
Inactive-Withdrawn Standard
Superseded by
152-1991
History
Withdrawn:
1990-12-06
Published:
1952-11-30
Reaffirmed:
1971-05-23

Working Group Details

Society
IEEE Broadcast Technology Society
Standard Committee
BTS -

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